STMicroelectronics — STM32G474 Series Microcontrollers

The STM32G474 microcontrollers from STMicroelectronics enable the implementation of high-performance power systems which use digital control to achieve high precision and to provide design flexibility.

Key features for digital power control in the STM32G474 include a filter-math accelerator (FMAC) to handle functions such as 3p/3z compensation, and to ensure high efficiency across the load range. The STM32G474 can also perform digital slope compensation, freeing CPU cycles for other functions. The MCUs provide a rich set of analog features, including five fast 12-bit ADCs, seven comparators, six operational amplifiers, seven DAC channels, an internal voltage reference buffer, a low-power real-time clock, and multiple high-resolution timers.

The STM32G474 devices are based on the Arm^® Cortex^®-M4 core operating at a frequency of up to 170 MHz. The Cortex-M4 core features a single-precision floating-point unit which supports all the Arm single-precision data-processing instructions and all the data types. It also implements a full set of DSP instructions, and a memory protection unit for enhanced security.

High-speed memory provision includes either 128 kbytes, 256 kbytes or 512 kbytes of Flash, and 128 kbytes of SRAM. The STM32G474 also features a quad SPI to external Flash memory. It includes several protection mechanisms for its embedded Flash memory and SRAM: